Q: What are the prime factors of the number 865,264?

 A: 2, 41, 1319

Why are those the prime factors of the number 865,264?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 865,264

865,264
Factor Arrows
2432,632
Factor Arrows
2216,316
Factor Arrows
2108,158
Factor Arrows
254,079
Factor Arrows
411,319

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 41, 1319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 41 x 1,319 = 865,264

This can also be written as 24 x 411 x 1,3191 = 865,264

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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